Finding the Fourth Proportional to 118.14, 177.22 and 36.99
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Solution
The fourth proportional to 118.14, 177.22 and 36.99 is: 55.49
Step by Step Solution
- Step 1: Write the proportion equation
118.14 : 177.22 = 36.99 : x - Step 2: Convert to fraction form
118.14/177.22 = 36.99/x - Step 3: Cross multiply
118.14x = 177.22 × 36.99 - Step 4: Simplify right side
118.14x = 6,555.37 - Step 5: Solve for x
x = 6,555.37/118.14 - Step 6: Final answer
x = 55.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.